updated requests note

Author: jyaistMap

guide/02-api-overview/release-notes.ipynb

@@ -12,8 +12,13 @@
    "metadata": {},
    "source": [
     "## New\n",
+    "* All web requests will now use the `requests` 3rd party library instead of the builtin `urllib`. \n",
+    " * Benefits include:\n",
+    "  * increased security\n",
+    "  * standardized web requests\n",
+    "  * integrated libraries for better PKI, IWA, and other authentication\n",
     "* Adds ability to install ArcGIS API for Python into Python 3.8 conda environments\n",
-    "* Certifies use of [`Pandas`] releases greater than `1.x`"
+    "* Certifies use of [`Pandas`](https://pandas.pydata.org/) releases greater than `1.x`"
    ]
   },
   {